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In defence of the three-domains of life paradigm.
van der Gulik, P T S; Hoff, W D; Speijer, D.
Afiliación
  • van der Gulik PTS; Centrum Wiskunde & Informatica, P.O. Box 94079, 1090 GB Amsterdam, Amsterdam, The Netherlands. Peter.van.der.Gulik@cwi.nl.
  • Hoff WD; Department of Microbiology and Molecular Genetics and Department of Chemistry, Oklahoma State University, Stillwater, OK, 74078, USA.
  • Speijer D; Department of Medical Biochemistry, Academic Medical Center, University of Amsterdam, Meibergdreef 15, 1105 AZ Amsterdam, Amsterdam, The Netherlands. d.speijer@amc.uva.nl.
BMC Evol Biol ; 17(1): 218, 2017 09 19.
Article en En | MEDLINE | ID: mdl-28927381
BACKGROUND: Recently, important discoveries regarding the archaeon that functioned as the "host" in the merger with a bacterium that led to the eukaryotes, its "complex" nature, and its phylogenetic relationship to eukaryotes, have been reported. Based on these new insights proposals have been put forward to get rid of the three-domain Model of life, and replace it with a two-domain model. RESULTS: We present arguments (both regarding timing, complexity, and chemical nature of specific evolutionary processes, as well as regarding genetic structure) to resist such proposals. The three-domain Model represents an accurate description of the differences at the most fundamental level of living organisms, as the eukaryotic lineage that arose from this unique merging event is distinct from both Archaea and Bacteria in a myriad of crucial ways. CONCLUSIONS: We maintain that "a natural system of organisms", as proposed when the three-domain Model of life was introduced, should not be revised when considering the recent discoveries, however exciting they may be.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bacterias / Archaea / Evolución Biológica / Eucariontes Idioma: En Revista: BMC Evol Biol Asunto de la revista: BIOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: Países Bajos Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bacterias / Archaea / Evolución Biológica / Eucariontes Idioma: En Revista: BMC Evol Biol Asunto de la revista: BIOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: Países Bajos Pais de publicación: Reino Unido